Ace Pharmaceutical has developed a drug that it believes wil

Ace Pharmaceutical has developed a drug that it believes will help lower cholesterol and blood pressure at a significantly greater rate than fish oil. Researchers wish to test the new drug and compare the results to those of fish oil and of a placebo. A total of 300 volunteers suffering from hypertension and high cholesterol will participate in the study.

A. Explain how you would carry out this test in a completely randomized experiment.

B. Explain carefully how you will ensure that the experiment is random.

C. Explain how you could use blocking to modify the design from part A. Be sure to state why you would chose the blocking method you did.

Solution

a)

select sample size at random to do this test

b)

because we have 300 volunteers suffering from hypertension and high cholesterol will participate in the study

c)

change the results from fish oil and of a placeb and other variable for have 4 different datas for each block